(a.) Horrifying, gruesome; ghastly; having death as a subject; as, a macabre setting\.

appalling astounding awe-inspiring awesome awful blue cadaverous corpselike deadly deathlike deathly deathly pale dire direful dread dreaded dreadful eerie eldritch fearsome fell fiendish formidable frightening frightful ghastly ghostlike ghostly ghoulish gory grim grisly grotesque gruesome haggard hideous horrendous horrible horrid horrific horrifying livid lurid morbid mortuary pale redoubtable schrecklich shocking spookish spooky terrible terrific terrifying tremendous uncanny unearthly wan weird